СÃ÷ÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȡ£

¡¡ ¢ÙÒò¿óʯÌå»ý½Ï´ó£¬·Å²»½øÁ¿Í²£¬Òò´ËËûÀûÓÃÒ»Ö»ÉÕ±­£¬°´Í¼1£­10Ëùʾ·½·¨½øÐвâÁ¿£¬¿óʯµÄÌå»ýÊÇ______cm3£»

¡¡ ¢ÚÓÃÍÐÅÌÌìƽÒѲâµÃ¿óʯµÄÖÊÁ¿ÊÇ175g£¬Ôò¿óʯµÄÃܶÈÊÇ______kg/m3£»´ÓͼAµ½Í¼BµÄ²Ù×÷ÒýÆðµÄÃܶȲâÁ¿Öµ±ÈÕæʵֵ_______(Ñ¡Ì¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°²»±ä¡±)£»

¡¡ ¢ÛÔÚʹÓÃÒѵ÷½ÚºÃµÄÍÐÅÌÌìƽ£¬°´¹æ·¶µÄ²Ù×÷À´³ÆÁ¿¿óʯµÄÖÊÁ¿Ê±£¬Í¨¹ýÔö¡¢¼õíÀÂëºóÖ¸ÕëÆ«ÔÚ·Ö¶ÈÅÌÖÐÏßÓÒ±ßÒ»µã£¬ÕâʱӦ¸Ã¡¡ ¡¡¡¡ ¡£

A£®Ïò×óµ÷ƽºâÂÝĸ¡¡ B£®ÍùÓÒÅÌÖмÓíÀÂë¡¡ C£®´ÓÓÒÅÌÖмõíÀÂë¡¡ D£®ÏòÓÒÒƶ¯ÓÎÂë

¢Ù70    ¢Ú2.5¡Á103    Æ«Ð¡     ¢ÛC

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?ÆÕ¶ý£©£¨1£©Ð¡Ã÷ÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȣ®Òò¿óʯ·Å²»½øÁ¿Í²£¬ËùÒÔËû½èÓÃÒ»Ö»ÉÕ±­£¬ÔËÓÃ
µÈЧ·¨
µÈЧ·¨
£¨ÌîÒ»ÖÖÎïÀí·½·¨£©£¬°´Í¼Ëùʾ³ÌÐò²Ù×÷£¬²â³ö¿óʯµÄÌå»ýÊÇ
70
70
cm3£®ÔÙÓÃÍÐÅÌÌìƽ²â³ö¿óʯµÄÖÊÁ¿£¬²¢µÃ³öÁË¿óʯµÄÃܶȣ»´ÓͼAµ½Í¼BµÄ²Ù×÷»áÒýÆðÃܶȲâÁ¿Öµ±ÈÕæʵֵ
ƫС
ƫС
£¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°²»±ä¡±£©£®

£¨2£©ÍõÃ÷ͬѧ×ö¡°Ë®µÄ·ÐÌÚ¡±ÊµÑ飬Óþƾ«µÆ¸øÉÕ±­ÖеÄÀäË®¾ùÔȼÓÈÈʱ£¬¿´¼ûζȼƵÄʾÊý½¥½¥ÉÏÉý£®ËûͻȻÏëµ½ÕâÑùÒ»¸öÎÊÌ⣺ÔÚË®·ÐÌÚÇ°£¬Î¶ȼÆʾÊýÉÏÉýËÙ¶ÈÊÇ·ñÊǾùÔȵÄÄØ£¿
ÓÉ´ËËûÌá³öÁËÏÂÁм¸ÖÖ²ÂÏ룺
[²ÂÏë1]ζȼÆʾÊýÉÏÉýËÙ¶ÈÏÈ¿ìºóÂý£»
[²ÂÏë2]ζȼÆʾÊýÉÏÉýËÙ¶ÈÏÈÂýºó¿ì£»
[²ÂÏë3]ζȼÆʾÊýÉÏÉýËÙ¶ÈÏÈÂýºó¿ìÔÙÂý£»
[²ÂÏë4]ζȼÆʾÊýÉÏÉýËÙ¶ÈÊǾùÔȵģ®
¢ÙÖ¸³öͼ¼×µÄ²Ù×÷¹ý³ÌÖеĴíÎó£º
ÊÓÏßûÓÐƽÊÓ
ÊÓÏßûÓÐƽÊÓ
£®
¢ÚËû¾ÀÕý´íÎóºóÈÏÕæ½øÐÐÁËʵÑ飮¸ù¾ÝʵÑéÊý¾Ý£¬×÷³öÁËÈçͼÒÒËùʾµÄζÈËæʱ¼ä±ä»¯µÄͼÏó£¬ÓÉ´ËÑéÖ¤Á˲ÂÏë
3
3
£»ÊÔ½âÊÍÕâÖÖÏÖÏó£º
¿ªÊ¼Òª¼ÓÈÈʯÃÞÍøºÍÉÕ±­£¬ËùÒÔË®ÎÂÉÏÉý½ÏÂý£¬È»ºóË®ÎÂÉÏÉý¼Ó¿ì£»¶øˮνϸßʱɢÈÈÔö¼ÓË®ÎÂÉÏÉýÓÖ·ÅÂý
¿ªÊ¼Òª¼ÓÈÈʯÃÞÍøºÍÉÕ±­£¬ËùÒÔË®ÎÂÉÏÉý½ÏÂý£¬È»ºóË®ÎÂÉÏÉý¼Ó¿ì£»¶øˮνϸßʱɢÈÈÔö¼ÓË®ÎÂÉÏÉýÓÖ·ÅÂý
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

СÃ÷ÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȣ®

£¨1£©Óõ÷½ÚºÃµÄÌìƽ²âÁ¿¿óʯµÄÖÊÁ¿£¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖÐíÀÂëºÍÓÎÂëµÄλÖÃÈçͼ¼×Ëùʾ£¬¿óʯµÄÖÊÁ¿ÊÇ
175.6
175.6
g£»
£¨2£©Òò¿óʯÌå»ý½Ï´ó£¬·Å²»½øÁ¿Í²£¬Òò´ËËûÀûÓÃÒ»Ö»ÉÕ±­£¬°´Í¼ÒÒËùʾµÄ·½·¨½øÐвâÁ¿£¬¿óʯµÄÌå»ýÊÇ
70
70
 cm3£»
£¨3£©¿óʯµÄÃܶÈÊÇ
2.51¡Á103
2.51¡Á103
 kg/m3£¬´ÓͼAµ½Í¼BµÄ²Ù×÷ÒýÆðµÄÃܶȲâÁ¿Öµ±ÈÕæʵֵ
ƫС
ƫС
£®£¨Ñ¡Ìî¡°Æ«´ó¡±¡°Æ«Ð¡¡±»ò¡°²»±ä¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?º£ÁêÇø¶þÄ££©Ð¡Ã÷ÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȣ®

£¨1£©Òò¿óʯÌå»ý½Ï´ó£¬·Å²»½øÁ¿Í²£¬Òò´ËËûÀûÓÃÒ»Ö»ÉÕ±­£¬°´Í¼ÖÐËùʾ·½·¨½øÐвâÁ¿£¬¿óʯµÄÌå»ýÊÇ
70
70
cm3£»
£¨2£©ÓÃÍÐÅÌÌìƽÒѲâµÃ¿óʯµÄÖÊÁ¿ÊÇ175g£¬Ôò¿óʯµÄÃܶÈÊÇ
2.5¡Á103
2.5¡Á103
kg/m3£»Í¼Aµ½Í¼BµÄ²Ù×÷»áÒýÆðÃܶȲâÁ¿Öµ±ÈÕæʵֵ
ƫС
ƫС
£¨Ñ¡Ì¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°²»±ä¡±£©£»
£¨3£©ÓÃÒѵ÷½ÚºÃµÄÍÐÅÌÌìƽ²â¿óʯÖÊÁ¿Ê±£¬Ôö¼ÓÒ»¸ö×îСµÄíÀÂ룬ָÕëÓÒÆ«£»¼õÉÙºó£¬Ö¸ÕëÓÖ×óÆ«£®ÕâʱӦ¸Ã
È¡ÏÂ×îСíÀÂ룬ÏòÓÒµ÷½ÚÓÎÂë
È¡ÏÂ×îСíÀÂ룬ÏòÓÒµ÷½ÚÓÎÂë
£®
£¨4£©Ð¡Ã÷ºóÀ´¸Ä½øÁËʵÑé·½°¸£¬Èçͼ£¬Ö»ÐèÁ½´Î²âÁ¿£®µÚÒ»´Îµ¯»É²âÁ¦¼ÆµÄʾÊýΪ¿óʯµÄ
ÖØÁ¦
ÖØÁ¦
£¬Ó¦ÓÃ×Öĸ
G
G
±íʾ£»µÚ¶þ´Î²âÁ¦¼ÆµÄʾÊýΪF£®Ôò¿óʯÃܶȵıí´ïʽΪ¦Ñ=
G¦ÑË®
G-F
G¦ÑË®
G-F
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

СÃ÷ÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȣ®

£¨1£©µ÷½ÚÌìƽʱӦ½«
ÓÎÂë
ÓÎÂë
ÒÆÖÁÁã¿Ì¶È´¦£¬Èô·¢ÏÖÌìƽָÕëλÖÃÈç1ͼËùʾ£¬ÔòÓ¦½«ÓÒ¶ËƽºâÂÝĸÏò
ÓÒ
ÓÒ
²àµ÷½Ú£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£®Óõ÷½ÚºÃµÄÌìƽ²âÁ¿¿óʯµÄÖÊÁ¿£¬µ±Ììƽƽºâʱ ÓÒÅÌÖÐíÀÂëºÍÓÎÂëµÄλÖÃÈçͼ2Ëùʾ£¬¿óʯµÄÖÊÁ¿
ÊÇ
175.4
175.4
g£®
£¨2£©Òò¿óʯÌå»ý½Ï´ó£¬·Å²»½øÁ¿Í²£¬Òò´ËËûÀûÓÃÒ»Ö»ÉÕ±­£¬°´Í¼3Ëùʾ·½·¨½øÐвâÁ¿£¬¿óʯµÄÌå»ýÊÇ
70
70
cm3£®
£¨3£©¿óʯµÄÃܶÈÊÇ
2.5¡Á103
2.5¡Á103
kg/m3£¬´ÓͼAµ½Í¼BµÄ²Ù×÷ÒýÆðµÄÃܶȲâÁ¿Öµ±ÈÕæʵֵ
ƫС
ƫС
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

СÃ÷ÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȣ®
£¨1£©ÓÃÌìƽ²âÁ¿¿óʯµÄÖÊÁ¿Ê±£¬Ó¦½«Ììƽ·ÅÔÚ
ˮƽ
ˮƽ
¹¤×÷̨ÉÏ£¬²¢½«ÓÎÂëÒÆÖÁ±ê³ß×ó¶ËµÄ
Áã
Áã
¿Ì¶ÈÏß´¦£¬·¢ÏÖÖ¸Õë×óÓÒ°Ú¶¯·ù¶ÈÈçͼ1Ëùʾ£¬´ËʱӦ½«Æ½ºâÂÝĸÏò
ÓÒ
ÓÒ
£¨Ìî¡°×󡱡¢¡°ÓÒ¡±£©µ÷½Ú£¬Ê¹Ììƽƽºâ£®Í¬Ê±£¬°Ñ¿óʯ·ÅÔÚÌìƽ
×ó
×ó
ÅÌ£¬µ±
ÓÒ
ÓÒ
ÅÌÖÐËù¼ÓíÀÂëºÍÓÎÂëµÄλÖÃÈçͼ2Ëùʾ£¬ÌìƽÔÙ´Îƽºâ£¬Ôò¿óʯµÄÖÊÁ¿ÊÇ
177.4
177.4
g£»

£¨2£©Òò¿óʯÌå»ý½Ï´ó£¬·Å²»½øÁ¿Í²£¬Òò´ËËûÀûÓÃÒ»Ö»ÉÕ±­£¬°´Í¼3·½·¨½øÐвâÁ¿£¬¿óʯµÄÌå»ýÊÇ
70
70
cm3£»
£¨3£©¿óʯµÄÃܶÈÊÇ
2.5
2.5
g/cm3£¬
´Óͼ3ÖÐAµ½BµÄ²Ù×÷ÒýÆðµÄÃܶȲâÁ¿Öµ±ÈÕæʵֵ
ƫС
ƫС
£¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸